000			00407nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0415009960
082			_a371.3 _bHOL
100			_aHolmberg, Borje
245			_aTheory and Practice of Distance Education
260			_bRoutledge, _c1989. _aLondon :
300			_axi,252p.; _c22cm
650			_aSchool Education
942			_2ddc _cLM
999			_c82760 _d82760